5 intel® ich7m southbridge chipset, Ntel, Ich7m – IEI Integration ICE-945GSE v1.01 User Manual

Page 26: Outhbridge, Hipset

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ICE-945GSE COM Express Type 2 Module

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ƒ One SDVO ports supported

o

SDVO is muxed onto the PCIe pins

o

DVI 1.0 support for external digital monitor

o

Only Downstream HDCP support

o

Supports TV and DVD formats

o

Display hot plug support

2.5 Intel® ICH7M Southbridge Chipset

The Intel® ICH7M Southbridge chipset is connected to the Intel® 945GSE Northbridge

through the chip-to-chip Direct Media Interface (DMI). The Intel® ICH7M provides the I/O

capabilities to the system.

All the connections on the Intel® ICH7M are wired through the COM Express connectors

to connectors on the carrier board. Some of the features of the Intel® ICH7M are listed

below. The connections from the Intel® ICH7M are shown in Figure 2-4.

ƒ Complies with PCI Express Base Specification, Revision 1.0a

ƒ Complies with PCI Local Bus Specification, Revision 2.3 and supports

33 MHz PCI operations

ƒ Supports ACPI Power Management Logic

ƒ Contains:

o

Enhanced DMA controller

o

Interrupt controller

o

Timer functions

ƒ Integrated SATA host controller with DMA operations interfaced to two SATA

connectors on the ICE-945GSE

ƒ Integrated IDE controller supports Ultra ATA 100/66/33

ƒ Supports the four USB 2.0 devices on the ICE-945GSE with four UHCI

controllers and one EHCI controller

ƒ Complies with System Management Bus (SMBus) Specification, Version 2.0

ƒ Supports Audio Codec ’97 (AC’97) Revision 2.3

ƒ Supports Intel® High Definition Audio

ƒ Contains Low Pin Count (LPC) interface

ƒ Supports Firmware Hub (FWH) interface

ƒ Serial peripheral interface support

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